CN207648471U - Steel gas pipe underground Leakage Detection system - Google Patents
Steel gas pipe underground Leakage Detection system Download PDFInfo
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- CN207648471U CN207648471U CN201721496947.1U CN201721496947U CN207648471U CN 207648471 U CN207648471 U CN 207648471U CN 201721496947 U CN201721496947 U CN 201721496947U CN 207648471 U CN207648471 U CN 207648471U
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Abstract
The utility model discloses a kind of steel gas pipe underground Leakage Detection system, the steel gas pipe underground Leakage Detection system includes：Several valve pit gas concentration monitoring device, liquid level detection device, viberation detector, well lid closing detecting apparatus, control module, communication module, master control background systems, the valve pit gas concentration monitoring device, liquid level detection device, viberation detector, well lid closing detecting apparatus are connect with control module electric signal, master control background system obtains the information of the control module by communication module, and the well lid closing detecting apparatus is for detecting well lid on off state.Steel gas pipe underground Leakage Detection system described in the utility model being capable of online auto monitoring gas leakage, detect the target of simultaneously intelligent decision gas concentration alarm, shock conditions and valve pit lid on off state are excavated in the liquid level of water, ground in automatic detection valve pit, pipeline network leak hidden danger is actively found in time, improves gas pipeline maintenance efficiency.
Description
Technical field
The utility model is related to underground gas pipeline protection technology fields, specifically, the utility model is related to a kind of buried
Fuel gas pipeline leakage automatic checkout system.
Background technology
Combustion gas is to be related to the great resource of national economy, and the steel gas pipe underground currently used for delivery of fuel gas is mostly absolutely
Metallic conduit, predominantly steel pipe or metal alloy pipe, during fuel gas transmission, it is contemplated that gas pipeline protects and cathodic protection
Needs, need improve metallic gas pipeline resistance to corrosion, prolong the service life, it is common practice to outside metallic conduit
Erosion resistant coating or anti-corrosion sheath of the layer cladding with good insulation properties.With the development of economy, surface em environment becomes increasingly complex,
Nearby DC transmission system, the construction such as AC high-voltage electric transmission line are also developing rapidly buried pipeline, alternating current-direct current electric railway
And its converting plant, electric substation, integrated mill, AC earth body, the equiprobable stray electrical current interference source of DC earthing body, can it add
The corrosion rate of fast metallic conduit, and the erosion resistant coating of metallic conduit outer layer or anti-corrosion sheath are difficult to play and are effectively prevented stray electrical
The effect of stream can lead to gas leakage if pipeline is corroded seriously, if gas leakage situation cannot be detected in time, can make
At gas losses, serious gas pipeline accident is even resulted in.Most of existing detection method is artificial detection, that is, appoints work
Make personnel and measure valve pit mouth or ground gas concentration using gas detector, the artificial investigation amount of labour is big, it is long to take, and efficiency is low.
Invention content
Based on this, the utility model lies in that overcoming the deficiencies of existing technologies, it is automatic to provide a kind of steel gas pipe underground leakage
Detecting system, the steel gas pipe underground Leakage Detection system can online auto monitoring gas leakage, detect simultaneously it is intelligent
The target for judging gas concentration alarm can also detect the liquid level of water in valve pit automatically, shock conditions and valve are excavated in ground
Well lid on off state actively finds pipeline network leak hidden danger in time, reduces the difficulty manually passively investigated, and improves gas pipeline and safeguards
Efficiency.
Its technical solution is as follows：
A kind of steel gas pipe underground Leakage Detection system, including：Several valve pit gas concentration monitoring device, liquid levels
Detection device, viberation detector, well lid closing detecting apparatus, control module, communication module, master control background system, it is described
Valve pit gas concentration monitoring device, liquid level detection device, viberation detector, well lid closing detecting apparatus are electric with control module
Signal connects, and master control background system obtains the information of the control module, the well lid switch detection dress by communication module
It sets for detecting well lid on off state.
In the utility model, valve pit gas monitoring device is used to detect the gas concentration in valve pit, and liquid level detection device is used
In the liquid level of water in detection valve pit, vibration detection device excavates shock conditions, the switch detection of valve pit lid for detecting ground
Device is for detecting well lid on off state, valve pit gas monitoring device, liquid level detection device, viberation detector, well lid switch
Corresponding detection information is fed back to the control module being connect with its electric signal by detection device after having detected, and control module is to information
Master control background system will send information to by communication module after being handled, you can realize online auto monitoring, work people
Member knows gas concentration, liquid level, ground construction vibration information, valve pit lid on off state by master control background system, and
Intelligent decision defective valves well location is set and specific failure cause, appoints relevant staff to gas leakage accident or other things in time
Therefore it is handled.
The valve pit gas monitoring device includes the first gas security and battery in one of the embodiments, described
First gas security is arranged outside the inside or well of valve pit or other urban operating mechanism wells and close to the position of well head, the electricity
Pond is built-in lithium battery.First gas security is used to detect the gas concentration in valve pit, and the battery is used for combustion gas
Sensor is powered.
First gas security includes that gas security ontology and setting are passed in combustion gas in one of the embodiments,
The gas security cavity of this volume surrounding of sensor, the gas security ontology are equipped with waterproof ventilated membrane, the combustion gas sensing
Device cavity includes metal shell and the explosion-proof net that is fixed on the metal shell.It is saturating that waterproof is set on gas security ontology
Air film can make sensor water-proof performance good, and gas security cavity of the setting comprising metal shell and explosion-proof net can make sensing utensil
There is preferable dust-proof, explosion-proof performance.
The control module is microcontroller in one of the embodiments,.
The communication module is wireless transmitter in one of the embodiments,.
Further include buried gas monitoring device in one of the embodiments, between the buried gas monitoring device is located at
Centre away from two adjacent combustion gas valve pits more than 200m, the buried gas monitoring device include the second gas security, nothing
Line electricity transmitter, control circuit board, second gas security, transmitting set, control circuit board are embedded in underground, described
Buried gas monitoring device realizes that electric signal is connect by transmitting set with the control module.When between adjacent valve pit
Apart from it is larger when, if the pipeline between two valve pits is corroded and gas leakage occurs, farther out from leakage point due to valve pit, be located at valve
The valve pit gas monitoring device of Jing Chu is difficult to monitor that gas leakage is even monitored less than gas leakage in time, then be easy to cause combustion
Feed channel accident.Compared to the gas monitoring device in valve pit, if gas monitoring device in the soil be often difficult to by
Monitoring signals are sent to correspondingly received device, and reason is that signal is easy by sequestration.The utility model distance farther out
Buried gas monitoring device is arranged in two the intermediate of valve pit, wherein the second gas security is for detecting gas concentration, radio
Transmitter and control circuit board can reinforce the signal of the second gas security, and control module is enable to receive described bury
The signal of ground gas monitoring device.Further, the buried gas monitoring device further includes lithium battery, and lithium battery can be held
It is continuous to power to the second gas security, transmitting set, control circuit board, ensure its normal work.
The steel gas pipe underground Leakage Detection system further includes level sensing dress in one of the embodiments,
It sets, the liquid level detection device is located in valve pit, including water level sensor, sensor cavity.The utility model is set in valve pit
Liquid level sensor is set to be used to detect height of water level in well, when height of water level is more than a threshold value in well, entail dangers to valve body and combustion
The normal work of gas leakage sensor forms gas accidents hidden danger.Liquid level detection device can feed back to detection information and its electricity
Signal connection control module, control module information is handled after by communication module will send information to master control backstage
System, you can realize online level monitoring situation, staff known by master control background system can determine whether liquid level and
When appoint relevant staff to handle valve pit water level.
The viberation detector is located in valve pit in one of the embodiments, and vibrations are excavated for road or ground
Monitoring, including shock sensor, sensor cavity, the shock sensor ontology are equipped with waterproof ventilated membrane, and the vibrations pass
Sensor cavity includes metal shell and the explosion-proof net that is fixed on the metal shell.Vibrations are arranged in the utility model in valve pit
Sensor is for detecting vibration frequency harmony ripple section caused by road excavation or other constructions, produced by being passed through due to vehicle
Vibrations vibration frequency harmony ripple section it is different from road excavation, shock sensor is according to frequency matching degree harmony ripple section energy
Enough intellectual analysis shake source, understand road excavation situation, grasp road construction state in time, prevent pipe network caused by constructing broken
It is bad.Information is fed back into the control module being connect with its electric signal after the completion of shock detection, control module handles information
Master control background system will send information to by communication module afterwards, you can realize that online vibration monitoring, staff pass through total
Control background system can determine whether vibration frequency matching degree, realizes construction safety monitoring, appoints relevant staff to pipe in time
It is protected in road.
The steel gas pipe underground Leakage Detection system further includes well lid switch detection in one of the embodiments,
Device, the well lid closing detecting apparatus are limit switch or photoelectric sensor.The well lid closing detecting apparatus detects well
Information is fed back into the control module being connect with its electric signal after lid switch abnormality, after control module handles information
Master control background system is will send information to by communication module, you can realizes that online auto monitoring well lid switchs situation, work
Personnel know the undesirable set of target of valve pit lid on off state by master control background system, appoint relevant staff couple in time
Combustion gas valve pit abnormality accident is handled.
The master control background system is equipped with alarm sounds unit in one of the embodiments, when valve pit gas monitoring
When the gas concentration that device or buried gas monitoring device monitoring arrive is higher than setting value, the alarm sounds unit can send out alarm
It reminds.
The speedily carry out rescue work alarm at center of the alarm sounds unit and combustion gas is connected in one of the embodiments,.Work as combustion gas
When monitoring device or buried gas monitoring device detect that gas concentration is excessively high, master control background system receives corresponding information
Afterwards, alarm sounds unit can make alarm and reminding, combustion gas speedily carry out rescue work center alarm it is coupled, then can send out alarm, carry
The speedily carry out rescue work staff at center of awake combustion gas carries out repair of speedily carrying out rescue work to gas leakage pipeline in time.
The beneficial effects of the utility model are：The utility model is using valve pit gas monitoring device, liquid level detection device
Gas concentration, the level sensing in valve pit are detected, vibration detection device excavates vibration information, valve pit lid switch for detecting ground
Corresponding detection information is fed back to control module by detection device for detecting well lid on off state, then will send information to
Master control background system realizes online auto monitoring gas concentration, liquid level, ground excavation shock conditions, valve pit lid and opens
Off status situation；The utility model powers to gas security using lithium battery, without often replacing battery, it is ensured that combustion gas passes
Sensor is powered continually-there；The utility model is more than that buried gas monitoring dress is arranged in the intermediate of two adjacent valve pits of 200m in spacing
It sets, transmitting set therein and control circuit board can reinforce combustion gas signal, and control module is enable to receive institute
The signal of buried gas monitoring device is stated, lithium battery persistently can supply gas security transmitting set and control circuit board
Electricity ensure that buried gas monitoring device continuous and effective work；Waterproof ventilated membrane is arranged on gas security ontology can make biography
Sensor water resistance is good, and it is preferable anti-that gas security cavity of the setting comprising metal shell and explosion-proof net can be such that sensor has
Dirt, explosion-proof performance.
Fig. 1 is steel gas pipe underground Leakage Detection system schematic.
Fig. 2 is the first gas sensor broken away view.
Fig. 3 is buried gas monitoring device broken away view.
Reference sign：1, valve pit coal gas monitoring device；11, gas sensor ontology；111, waterproof ventilated membrane；12、
Gas sensor cavity；121, metal shell；122, explosion-proof net；3, buried gas monitoring device；31, the second gas sensor；
32, transmitting set；33, control circuit board；5, liquid level detection device；6, viberation detector；7, well lid switch detection dress
It sets.
Specific implementation mode
It is below in conjunction with attached drawing and specifically real to make the purpose of this utility model, technical solution and advantage be more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the scope of protection of the utility model is not limited.
Embodiment
As shown in Figure 1 and Figure 2, a kind of steel gas pipe underground Leakage Detection system, including：Several valve pit combustion gas are supervised
Survey device 1, liquid level detection device 5, viberation detector 6, well lid closing detecting apparatus 7, control module, communication module, master control
Background system processed, the valve pit gas monitoring device 1, liquid level detection device 5, viberation detector 6, well lid closing detecting apparatus
7 connect with control module electric signal, and master control background system obtains the information of the control module by communication module, described
Well lid closing detecting apparatus is for detecting well lid on off state.
Further, in this embodiment the valve pit gas monitoring device 1 includes the first gas security and battery, institute
It states the first gas security and the simultaneously position close to well head is set outside the inside or well of valve pit or other urban operating mechanism wells, it is described
Battery is built-in lithium battery.
Further, such as Fig. 3, in the present embodiment, first gas security includes gas security ontology 11 and sets
The gas security cavity 12 in 11 outer layer of gas security ontology is set, the gas security ontology 11 is equipped with waterproof and breathable
Film 111, the gas security cavity 12 include metal shell 121 and the explosion-proof net being fixed on the metal shell 121
122.Waterproof ventilated membrane is arranged on gas security ontology can make sensor water-proof performance good, and setting is comprising metal shell and prevents
The gas security cavity of quick-fried net can make sensor have preferable dust-proof, explosion-proof performance.
Further, in the present embodiment, the control module is microcontroller, and the communication module is wireless transmitter.
Further, further include buried gas monitoring device 3 in the present embodiment, the buried gas monitoring device is located at
Spacing is more than the centre of two adjacent combustion gas valve pits of 200m, more specifically, as shown in figure 4, the buried gas monitoring device
Including the second gas security 31, transmitting set 32, control circuit board 33, second gas security 31, radio
Transmitter 32, control circuit board 33 are embedded in underground, and the buried gas monitoring device 3 passes through transmitting set 32 and the control
Molding block realizes electric signal connection.When distance is larger between adjacent valve pit, if the pipeline between two valve pits is corroded out
Existing gas leakage, farther out from leakage point due to valve pit, the valve pit gas monitoring device at valve pit is difficult to monitor to fire in time
Gas leakage is even monitored less than gas leakage, then be easy to cause gas pipeline accident.Compared to the gas monitoring in valve pit
Device, if gas monitoring device in the soil is often difficult to monitoring signals being sent to correspondingly received device, reason is letter
Number be easy by sequestration.Buried gas monitoring device is arranged in the intermediate of two valve pits of the utility model in distance farther out,
In, for the second gas security for detecting gas concentration, transmitting set and control circuit board can be to the second gas securities
Signal reinforced, so that control module is received the signal of the buried gas monitoring device.Further, this reality
It further includes lithium battery to apply buried gas monitoring device described in example, and lithium battery can be persistently to the second gas security, radio
Transmitter, control circuit board power supply, ensure its normal work.
Further, in the present embodiment, the liquid level detection device 5 is located in valve pit, including water level sensor, sensor
Cavity.Liquid level sensor is arranged in valve pit to be used to detect height of water level in well, when height of water level is more than a threshold value in well,
The normal work of entail dangers to valve body and gas leakage sensor forms gas accidents hidden danger.Liquid level detection device can believe detection
Breath feeds back to the control module being connect with its electric signal, and control module is sent out information by communication module after handling information
It is sent to master control background system, you can realize online level monitoring situation, staff is known by master control background system can
Judge that liquid level appoints relevant staff to handle valve pit water level in time.
Further, in the present embodiment, the viberation detector 6 is located in valve pit, and shake is excavated for road or ground
Dynamic monitoring, structure is similar to valve pit gas monitoring device, including shock sensor, sensor cavity, the shock sensor
Ontology is equipped with waterproof ventilated membrane, and the shock sensor cavity includes metal shell and is fixed on anti-on the metal shell
Quick-fried net, structural schematic diagram refer to valve pit gas monitoring device.In valve pit be arranged shock sensor for detect road excavation or
Vibration frequency harmony ripple section caused by other constructions, the vibration frequency harmony ripple due to vehicle Jing Guo generated vibrations
Section it is different from road excavation, shock sensor according to frequency matching degree harmony ripple section can intellectual analysis vibrations source, understanding
Road excavation situation grasps road construction state in time, prevents pipe network caused by constructing from destroying.By information after the completion of shock detection
The control module being connect with its electric signal is fed back to, control module is sent information by communication module after handling information
To master control background system, you can realize that online vibration monitoring, staff can determine whether to shake by master control background system
Frequency matching degree realizes construction safety monitoring, appoints relevant staff to protect pipeline in time.
Further, in the present embodiment, the well lid closing detecting apparatus 7 is limit switch or photoelectric sensor.It is described
Information is fed back to the control module being connect with its electric signal by well lid closing detecting apparatus after detecting well lid switch abnormality,
Control module by communication module will send information to master control background system after handling information, you can realize online from
Dynamic monitoring well lid switchs situation, and staff knows the undesirable set of mesh of valve pit lid on off state by master control background system
Mark, appoints relevant staff to handle combustion gas valve pit abnormality accident in time.
Further, in the present embodiment, the master control background system is equipped with alarm sounds unit, when valve pit gas monitoring
When the gas concentration that device 1 or buried gas monitoring device 3 monitor is higher than setting value, the alarm sounds unit can send out police
Report is reminded.
Further, in the present embodiment, the speedily carry out rescue work alarm at center of the alarm sounds unit and combustion gas is connected.Work as combustion gas
When monitoring device or buried gas monitoring device detect that gas concentration is excessively high, master control background system receives corresponding information
Afterwards, alarm sounds unit can make alarm and reminding, combustion gas speedily carry out rescue work center alarm it is coupled, then can send out alarm, carry
The speedily carry out rescue work staff at center of awake combustion gas carries out repair of speedily carrying out rescue work to gas leakage pipeline in time.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of steel gas pipe underground Leakage Detection system, which is characterized in that including：Several valve pit gas monitoring devices
(1), liquid level detection device (5), viberation detector (6), well lid closing detecting apparatus (7), control module, communication module, total
Control background system, the valve pit gas monitoring device (1), liquid level detection device (5), viberation detector (6), well lid switch
Detection device (7) is connect with control module electric signal, and master control background system obtains the control module by communication module
Information, the well lid closing detecting apparatus is for detecting well lid on off state.
2. steel gas pipe underground Leakage Detection system according to claim 1, which is characterized in that the valve pit combustion gas prison
It includes the first gas security and battery to survey device (1), and first gas security is arranged in valve pit or other urban operating mechanisms
Position outside the inside of well or well and close to well head, the battery are built-in lithium battery.
3. steel gas pipe underground Leakage Detection system according to claim 2, which is characterized in that first combustion gas passes
Sensor includes the gas security cavity (12) of gas security ontology (11) and setting in gas security ontology (11) outer layer,
The gas security ontology (11) is equipped with waterproof ventilated membrane (111), and the gas security cavity (12) includes metal-back
Body (121) and the explosion-proof net (122) being fixed on the metal shell (121).
4. steel gas pipe underground Leakage Detection system according to claim 1, which is characterized in that the control module is
Microcontroller.
5. steel gas pipe underground Leakage Detection system according to claim 1, which is characterized in that the communication module is
Wireless transmitter.
6. steel gas pipe underground Leakage Detection system according to claim 1, which is characterized in that further include buried combustion gas
Monitoring device (3), the buried gas monitoring device is located at the centre that spacing is more than two adjacent combustion gas valve pits of 200m, described
Buried gas monitoring device includes the second gas security (31), transmitting set (32), control circuit board (33), and described the
Two gas securities (31), transmitting set (32), control circuit board (33) are embedded in underground, the buried gas monitoring device
(3) realize that electric signal is connect with the control module by transmitting set (32).
7. steel gas pipe underground Leakage Detection system according to claim 1, which is characterized in that the level sensing dress
It sets (5) to be located in valve pit, including water level sensor, sensor cavity.
8. steel gas pipe underground Leakage Detection system according to claim 1, which is characterized in that the shock detection dress
It sets (6) to be located in valve pit, vibration monitoring, including shock sensor, sensor cavity, the vibrations is excavated for road or ground
Sensor body is equipped with waterproof ventilated membrane, and the shock sensor cavity includes metal shell and is fixed on the metal shell
On explosion-proof net.
9. steel gas pipe underground Leakage Detection system according to claim 1, which is characterized in that the well lid switch inspection
It is limit switch or photoelectric sensor to survey device (7).
10. steel gas pipe underground Leakage Detection system according to claim 1, which is characterized in that after the master control
Platform system is equipped with alarm sounds unit, when the combustion gas that valve pit gas monitoring device (1) or buried gas monitoring device (3) monitor
When concentration is higher than setting value, the alarm sounds unit can send out alarm and reminding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721496947.1U CN207648471U (en) | 2017-11-09 | 2017-11-09 | Steel gas pipe underground Leakage Detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721496947.1U CN207648471U (en) | 2017-11-09 | 2017-11-09 | Steel gas pipe underground Leakage Detection system |
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| CN207648471U true CN207648471U (en) | 2018-07-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230777A (en) * | 2019-05-26 | 2019-09-13 | 北京航星网讯技术股份有限公司 | The flammable gas pipe network TT&C system in city based on valve pit detection and Beidou communication |
| CN110570630A (en) * | 2019-08-08 | 2019-12-13 | 深圳市燃气集团股份有限公司 | NB-IoT-based gas valve well early warning device and early warning method |
| CN111090245A (en) * | 2019-12-31 | 2020-05-01 | 上海移远通信技术股份有限公司 | Intelligent gas monitoring system |
| CN111458076A (en) * | 2020-04-28 | 2020-07-28 | 浙江工业大学 | Kiln shaft floating type gas leakage detection device |
| CN111667673A (en) * | 2019-03-15 | 2020-09-15 | 山东建筑大学 | Hot pipe network system for intelligently detecting leakage |
-
2017
- 2017-11-09 CN CN201721496947.1U patent/CN207648471U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667673A (en) * | 2019-03-15 | 2020-09-15 | 山东建筑大学 | Hot pipe network system for intelligently detecting leakage |
| CN111667673B (en) * | 2019-03-15 | 2021-07-27 | 山东建筑大学 | Hot pipe network system for intelligently detecting leakage |
| CN110230777A (en) * | 2019-05-26 | 2019-09-13 | 北京航星网讯技术股份有限公司 | The flammable gas pipe network TT&C system in city based on valve pit detection and Beidou communication |
| CN110570630A (en) * | 2019-08-08 | 2019-12-13 | 深圳市燃气集团股份有限公司 | NB-IoT-based gas valve well early warning device and early warning method |
| CN111090245A (en) * | 2019-12-31 | 2020-05-01 | 上海移远通信技术股份有限公司 | Intelligent gas monitoring system |
| CN111458076A (en) * | 2020-04-28 | 2020-07-28 | 浙江工业大学 | Kiln shaft floating type gas leakage detection device |
| CN111458076B (en) * | 2020-04-28 | 2024-06-07 | 浙江工业大学 | Kiln well floating type gas leakage detection device |
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